feat: Add multiple keyboard bindings and UI improvements

- Add `my-denote-open-metanote` function and keybinding
- Add `discomfort` and `xdg-launcher-run-app` bindings for Linux
- Add `mc/add-cursor-on-click` binding
- Add `guix` package
- Fix pixel-scroll-precision
- Add terminal UI theme improvements for xref and match faces
- Rename functions to `my-` prefix for consistency
- Reorganize org agenda priority grouping
- Switch EMMS default player to VLC

lisp/init-base.el

@@ -220,9 +220,15 @@
     :straight nil
     :hook
     (after-init . pixel-scroll-precision-mode)
-    :config
+    :init
     (setq scroll-preserve-screen-position t
-	  scroll-conservatively 101)))
+	  scroll-conservatively 101)
+    :config
+    (advice-add 'pixel-scroll-precision :around
+		(lambda (orig event)
+                  (cl-letf (((symbol-function 'device-class)
+                             (lambda (&rest _) 'mouse)))
+                    (funcall orig event))))))
 
 ;; eww
 (use-package eww